Chemistry
Hydrogen - 'number 1 in the Universe'
Hydrogen is the first element on the periodic table. It is the oldest, lightest and most abundant element in the universe, but on earth it is usually found in compounds such as water, says AUT's Allan… Audio
Hydrogen - 'number 1 in the Universe'
Hydrogen is the first element on the periodic table. It is the oldest, lightest and most abundant element in the universe, but on earth it is usually found in compounds such as water, says AUT's Allan…
AudioHolmium - obscure, but an important surgical laser
Holmium has interesting magnetic properties and is an important part of precise surgical lasers known as the 'Swiss Army knife' of lasers, according to Prof Allan Backman from AUT, in ep 35 of… Audio
Holmium - obscure, but an important surgical laser
Holmium has interesting magnetic properties and is an important part of precise surgical lasers known as the 'Swiss Army knife' of lasers, according to Prof Allan Backman from AUT, in ep 35 of…
AudioOur Changing World for 13 June 2019
Behind-the-scenes at Auckland Zoo with sick kākāpō, and the chemical element holmium. Audio
Helium - rare on earth but universally abundant
Helium is the second most abundant element in the universe and possibly the most unreactive element on the periodic table, says Prof Allan Blackman from AUT, in ep 34 of Elemental. Audio
Helium - rare on earth but universally abundant
Helium is the second most abundant element in the universe and possibly the most unreactive element on the periodic table, says Prof Allan Blackman from AUT, in ep 34 of Elemental.
AudioHafnium - helped land the first astronauts on the moon
Hafnium is named after Copenhagen and as it has a very high melting point it was used in the thruster nozzles of the Apollo Lunar modules, according to Elemental's Allan Blackman from AUT. Audio
Hafnium - helped land the first astronauts on the moon
Hafnium is named after Copenhagen and as it has a very high melting point it was used in the thruster nozzles of the Apollo Lunar modules, according to Elemental's Allan Blackman from AUT.
AudioGold - a most desirable noble metal
Gold is highly valued for its colour as well as for being malleable and ductile, and as a noble metal it is unreactive and doesn't rust, says Allan Blackman from AUT in ep 32 of Elemental. Audio
Gold - a most desirable noble metal
Gold is highly valued for its colour as well as for being malleable and ductile, and as a noble metal it is unreactive and doesn't rust, says Allan Blackman from AUT in ep 32 of Elemental.
AudioGermanium - important in the first transistors
Germanium is a metalloid that was a key element in early transistors and is now used in optical fibres and infrared night vision scopes, says Allan Blackman from AUT in ep 31 of Elemental. Audio
Germanium - important in the first transistors
Germanium is a metalloid that was a key element in early transistors and is now used in optical fibres and infrared night vision scopes, says Allan Blackman from AUT in ep 31 of Elemental.
AudioGallium - mysterious case of the disappearing spoon
Gallium is the second element named after France, is a key element in mobile phones & Blu-ray players & melts at body temperature, says Prof Allan Blackman in ep 30 of Elemental. Audio
Gallium - mysterious case of the disappearing spoon
Gallium is the second element named after France, is a key element in mobile phones & Blu-ray players & melts at body temperature, says Prof Allan Blackman in ep 30 of Elemental.
AudioGadolinium - plays a key role in MRI scans
Gadolinium has interesting magnetic properties and is used as a contrast agent in MRI scans, according to AUT's Prof Allan Blackman in ep 29 of Elemental. Audio
Gadolinium - plays a key role in MRI scans
Gadolinium has interesting magnetic properties and is used as a contrast agent in MRI scans, according to AUT's Prof Allan Blackman in ep 29 of Elemental.
AudioFrancium - final naturally-occurring element to be discovered
Francium was the last naturally-occurring element to be discovered and has never been seen, says Prof Allan Blackman from AUT in ep 28 Elemental. Audio
Francium - final naturally-occurring element to be discovered
Francium was the last naturally-occurring element to be discovered and has never been seen, says Prof Allan Blackman from AUT in ep 28 Elemental.
AudioOur Changing World for 23 May 2019
Southlanders are rolling their Rs more - and less - than 100 years ago, and the chemical element fluorine. Audio